Cambridge IGCSE Chemistry (BES) 0439 — 2018 Oct/Nov Paper 1 · Variant 1

This document consists of 16 printed pages. IB18 11_0439_11/FP © UCLES 2018 [Turn over *3964437019* Cambridge International Examinations Cambridge International General Certificate of Secondary Education CHEMISTRY (US) 0439/11 Paper 1 Multiple Choice (Core) October/November 2018 45 minutes Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name, Center number and candidate number on the Answer Sheet in the spaces provided unless this has been done for you. DO NOT WRITE IN ANY BARCODES. There are forty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. Read the instructions on the Answer Sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet. A copy of the Periodic Table is printed on page 16. Electronic calculators may be used.

2 © UCLES 2018 0439/11/O/N/18 1 A beaker containing solid carbon dioxide is placed in a fume cupboard at room temperature. The carbon dioxide becomes gaseous. Which process describes this change of state? A boiling B condensation C evaporation D sublimation 2 The pressure of a sample of gas is decreased. The temperature is kept constant. Which row describes the effects on the particles? movement of particles collisions between particles A slower occur less often B slower occur with more force C no change in speed occur less often D no change in speed occur with more force 3 Which statement about paper chromatography is correct? A A solvent is needed to dissolve the paper. B Paper chromatography separates mixtures of solvents. C The solvent should cover the baseline. D The baseline should be drawn in pencil.

3 © UCLES 2018 0439/11/O/N/18 [Turn over 4 The diagrams show four pieces of laboratory equipment. thermometer stop-watch pipet balance Which equipment is essential to find out if dissolving a salt in water is an exothermic process? balance pipet stop-watch thermometer A     B     C     D     5 Iodine, I, has a lower relative atomic mass than tellurium, Te, but is placed after it in the Periodic Table. Te I Which statement explains why iodine is placed after tellurium in the Periodic Table? A Iodine has fewer neutrons than tellurium. B Iodine has fewer protons than tellurium. C Iodine has more neutrons than tellurium. D Iodine has more protons than tellurium.

4 © UCLES 2018 0439/11/O/N/18 6 Substance Q has a high melting point and conducts electricity both when molten and when dissolved in water. What is Q? A calcium chloride B diamond C iron D silver chloride 7 Elements X and Y form an ionic compound, XY. In which group of the Periodic Table is X found and how is the bond between X and Y formed? group in which X is found how the bond between X and Y is formed A I by X gaining one electron from Y B I by X transferring one electron to Y C VII by X sharing electrons with Y D VII by X transferring one electron to Y 8 The structure of glycine is shown. N C O H H O H H C H Which row is correct? formula of glycine number of different elements in glycine A CH5O2N 10 B C2H5O2N 4 C C2H5O2N 10 D H2NCHCOOH 4

5 © UCLES 2018 0439/11/O/N/18 [Turn over 9 Calcium phosphate forms when calcium chloride and sodium phosphate solutions react together. x CaCl 2 + y Na3PO4 → 2Ca3(PO4)2 + 12NaCl Which values of x and y balance the equation? x y A 2 2 B 3 4 C 6 3 D 6 4 10 During the electrolysis of concentrated aqueous sodium chloride, chlorine gas is produced at the positive electrode. What happens at the negative electrode and to the solution? product at the negative electrode the solution becomes A hydrogen acidic B hydrogen alkaline C sodium acidic D sodium alkaline

6 © UCLES 2018 0439/11/O/N/18 11 The diagram shows an experiment to electroplate a nickel spoon with silver. electrolyte nickel spoon power supply Which row correctly describes the positive electrode, the negative electrode and the electrolyte? positive electrode negative electrode electrolyte A nickel spoon pure nickel silver nitrate solution B nickel spoon pure silver nickel nitrate solution C pure nickel nickel spoon silver nitrate solution D pure silver nickel spoon silver nitrate solution 12 Which substance does not use oxygen to produce heat energy? A coal B hydrogen C natural gas D uranium

7 © UCLES 2018 0439/11/O/N/18 [Turn over 13 An energy level diagram for a reaction is shown. energy progress of reaction reactants products Which statement about the reaction is correct? A Heat is released. B It is a combustion reaction. C It is an endothermic reaction. D The temperature increases. 14 Two reactions are done. 1 Hydrated cobalt(II) chloride is heated. It changes color. 2 Water is added to the product of reaction 1. It becomes hotter. The original color is produced. Which types of reaction have occurred in reactions 1 and 2? endothermic exothermic neutralization reversible A     B     C     D     15 Which equation shows reduction of an iron compound? A 4Fe + 3O2 → 2Fe2O3 B Fe + 2HCl → FeCl 2 + H2 C 4FeO + O2 → 2Fe2O3 D Fe2O3 + 3CO → 2Fe + 3CO2

8 © UCLES 2018 0439/11/O/N/18 16 Calcium carbonate reacts with dilute hydrochloric acid to make carbon dioxide gas. Graph X shows the results of this experiment. The particle size of the calcium carbonate is increased and the experiment is repeated. All other conditions are kept the same. Graph Y shows the results of this experiment. Which diagram is correct for the two experiments? volume of carbon dioxide produced / cm3 time / s A X Y volume of carbon dioxide produced / cm3 time / s B X Y Y X volume of carbon dioxide produced / cm3 time / s C Y X volume of carbon dioxide produced / cm3 time / s D 0 0 0 0 0 0 0 0 17 Part of the Periodic Table is shown. Which element forms an oxide that reacts with dilute acid to form a salt and water? I II III IV V VI VII VIII C D A B

9 © UCLES 2018 0439/11/O/N/18 [Turn over 18 An excess of substance Z is added to some spilt acid. The solution produced as a result is neutral. What is Z? A aqueous ammonia B aqueous sodium hydroxide C calcium carbonate D water 19 Aqueous sodium hydroxide is added to solid Q in a test-tube. A gas is produced which turns damp red litmus blue. What is Q? A aluminum B ammonia C ammonium chloride D sodium nitrate 20 Potassium hydroxide is a base. Which statement describes a reaction of potassium hydroxide? A Chlorine is formed when it is heated with ammonium chloride. B It turns Universal Indicator green. C It reacts with an acid to produce a salt and water. D It turns methyl orange red. 21 Which statement about the Periodic Table is not correct? A It can be used to find the atomic number of an element. B It can be used to find the physical state of an element. C It can be used to find the symbol of an element. D It can be used to predict the properties of an element.

10 © UCLES 2018 0439/11/O/N/18 22 Elements in Group I of the Periodic Table react with water. Which row describes the products made in the reaction and the trend in reactivity of the elements? products trend in reactivity A metal hydroxide and hydrogen less reactive down the group B metal hydroxide and hydrogen more reactive down the group C metal oxide and hydrogen less reactive down the group D metal oxide and hydrogen more reactive down the group 23 The equation shows the reaction between a halogen and aqueous bromide ions. X2 + 2Br– → 2X– + Br2 …1… …2… …3… Which words complete gaps 1, 2 and 3? 1 2 3 A chlorine brown colorless B chlorine colorless brown C iodine brown colorless D iodine colorless brown 24 An inert gas R is used to fill weather balloons. Which descriptions of R are correct? number of outer shell electrons in atoms of R structure of gas R A 2 diatomic molecules B 2 single atoms C 8 diatomic molecules D 8 single atoms

11 © UCLES 2018 0439/11/O/N/18 [Turn over 25 Metal X reacts with steam but not with cold water. What is X? A calcium B copper C sodium D zinc 26 Which process is used to extract aluminum from bauxite? A heating bauxite in air B heating bauxite with carbon C heating bauxite with hydrogen D passing electricity through purified bauxite 27 Which row shows uses of the metals listed? aluminum copper mild steel A aircraft manufacture food containers cutlery B cutlery electrical wiring chemical plant C electrical wiring aircraft manufacture cooking utensils D food containers cooking utensils car bodies 28 Argon is a noble gas used to fill light bulbs. What is the approximate percentage of argon in air? A 1% B 20% C 79% D 99%

12 © UCLES 2018 0439/11/O/N/18 29 The diagrams show experiments involving the rusting of iron. water boiled to remove the air water anhydrous calcium chloride to dry the air oil iron nails tube Q tube R tube P A student predicted the following results. 1 In tube P, the iron nails rust. 2 In tube Q, the iron nails do not rust. 3 In tube R, the iron nails do not rust. Which predictions are correct? A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only 30 Which statement about air pollutants is not correct? A Carbon monoxide is formed from the complete combustion of petroleum. B Lead compounds are formed from some types of petrol. C Oxides of nitrogen are formed from the combustion reactions inside car engines. D Sulfur dioxide is formed from the combustion of coal.

13 © UCLES 2018 0439/11/O/N/18 [Turn over 31 The table describes three types of water. water type source of water appearance before treatment treatment appearance after treatment P river muddy none muddy Q river muddy filtration and chlorination clear R well clear chlorination only clear Which statement is correct? A Only Q and R are suitable for drinking, while P could be used for irrigation. B Only Q and R are suitable for drinking, while P is unsuitable for any purpose. C Only Q is suitable for drinking. R could be used for washing cars and P for irrigation. D P, Q and R are suitable for irrigation and washing cars, but are not suitable for drinking. 32 Which compound would not be used as an important part of a garden fertilizer? A Ca3(PO4)2 B KNO3 C Mg(OH)2 D (NH4)2SO4 33 Carbon dioxide and methane both contribute to climate change. Which process produces both gases? A complete combustion of natural gas B farming cattle C heating calcium carbonate D respiration 34 Which reaction is endothermic? A CaCO3 → CaO + CO2 B CaO + 2HCl → CaCl 2 + H2O C 2Ca + O2 → 2CaO D Ca + 2HCl → CaCl 2 + H2

14 © UCLES 2018 0439/11/O/N/18 35 Petroleum is a mixture of different hydrocarbons. Which process is used to separate the petroleum into groups of similar hydrocarbons? A combustion B cracking C fractional distillation D reduction 36 Which two compounds are molecules which both contain a double bond? A ethane and ethanoic acid B ethane and ethanol C ethene and ethanoic acid D ethene and ethanol 37 Which pair of diagrams shows compounds belonging to the same homologous series? O O H C H H H C H H C O O H C H H H A C H H H H C C H C H H C H H H H B H C H H O H O H O C C H H C H H C H H H H C H H C H O C H H C H H H H C H H H C D

15 Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the Cambridge International Examinations Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download at www.cie.org.uk after the live examination series. Cambridge International Examinations is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of University of Cambridge Local Examinations Syndicate (UCLES), which is itself a department of the University of Cambridge. © UCLES 2018 0439/11/O/N/18 38 Ethanol can be formed by: 1 fermentation 2 reaction between steam and ethene. Which of these processes use a catalyst? 1 2 A   B   C   D   39 Which statement about ethanoic acid is correct? A It fizzes with magnesium ribbon. B It forms a salt with hydrochloric acid. C It is a hydrocarbon. D It forms a solution in water with a pH greater than pH 7. 40 Which statement about Terylene is correct? A It is a form of protein. B It is a natural polymer. C It is also called poly(ethene). D It is used to make clothes.

16 © UCLES 2018 0439/11/O/N/18 Group The Periodic Table of Elements 1 H hydrogen 1 2 He helium 4 I II III IV V VI VII VIII 3 Li lithium 7 4 Be beryllium 9 atomic number atomic symbol Key name relative atomic mass 11 Na sodium 23 12 Mg magnesium 24 19 K potassium 39 20 Ca calcium 40 37 Rb rubidium 85 38 Sr strontium 88 55 Cs cesium 133 56 Ba barium 137 87 Fr francium – 88 Ra radium – 5 B boron 11 13 Al aluminum 27 31 Ga gallium 70 49 In indium 115 81 Tl thallium 204 6 C carbon 12 14 Si silicon 28 32 Ge germanium 73 50 Sn tin 119 82 Pb lead 207 22 Ti titanium 48 40 Zr zirconium 91 72 Hf hafnium 178 104 Rf rutherfordium – 23 V vanadium 51 41 Nb niobium 93 73 Ta tantalum 181 105 Db dubnium – 24 Cr chromium 52 42 Mo molybdenum 96 74 W tungsten 184 106 Sg seaborgium – 25 Mn manganese 55 43 Tc technetium – 75 Re rhenium 186 107 Bh bohrium – 26 Fe iron 56 44 Ru ruthenium 101 76 Os osmium 190 108 Hs hassium – 27 Co cobalt 59 45 Rh rhodium 103 77 Ir iridium 192 109 Mt meitnerium – 28 Ni nickel 59 46 Pd palladium 106 78 Pt platinum 195 110 Ds darmstadtium – 29 Cu copper 64 47 Ag silver 108 79 Au gold 197 111 Rg roentgenium – 30 Zn zinc 65 48 Cd cadmium 112 80 Hg mercury 201 112 Cn copernicium – 114 Fl flerovium – 116 Lv livermorium – 7 N nitrogen 14 15 P phosphorus 31 33 As arsenic 75 51 Sb antimony 122 83 Bi bismuth 209 8 O oxygen 16 16 S sulfur 32 34 Se selenium 79 52 Te tellurium 128 84 Po polonium – 9 F fluorine 19 17 Cl chlorine 35.5 35 Br bromine 80 53 I iodine 127 85 At astatine – 10 Ne neon 20 18 Ar argon 40 36 Kr krypton 84 54 Xe xenon 131 86 Rn radon – 21 Sc scandium 45 39 Y yttrium 89 57–71 lanthanoids 89–103 actinoids 57 La lanthanum 139 89 Ac lanthanoids actinoids The volume of one mole of any gas is 24 dm3 at room temperature and pressure (r.t.p.). actinium – 58 Ce cerium 140 90 Th thorium 232 59 Pr praseodymium 141 91 Pa protactinium 231 60 Nd neodymium 144 92 U uranium 238 61 Pm promethium – 93 Np neptunium – 62 Sm samarium 150 94 Pu plutonium – 63 Eu europium 152 95 Am americium – 64 Gd gadolinium 157 96 Cm curium – 65 Tb terbium 159 97 Bk berkelium – 66 Dy dysprosium 163 98 Cf californium – 67 Ho holmium 165 99 Es einsteinium – 68 Er erbium 167 100 Fm fermium – 69 Tm thulium 169 101 Md mendelevium – 70 Yb ytterbium 173 102 No nobelium – 71 Lu lutetium 175 103 Lr lawrencium –

This document consists of 3 printed pages. © UCLES 2018 [Turn over Cambridge Assessment International Education Cambridge International General Certificate of Secondary Education CHEMISTRY (US) 0439/11 Paper 1 Multiple Choice (Core) October/November 2018 MARK SCHEME Maximum Mark: 40 Published This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. Mark schemes should be read in conjunction with the question paper and the Principal Examiner Report for Teachers. Cambridge International will not enter into discussions about these mark schemes. Cambridge International is publishing the mark schemes for the October/November 2018 series for most Cambridge IGCSE™, Cambridge International A and AS Level components and some Cambridge O Level components.

0439/11 Cambridge IGCSE – Mark Scheme PUBLISHED October/November 2018 © UCLES 2018 Page 2 of 3 Question Answer Marks 1 D 1 2 C 1 3 D 1 4 A 1 5 D 1 6 A 1 7 B 1 8 B 1 9 D 1 10 B 1 11 D 1 12 D 1 13 C 1 14 C 1 15 D 1 16 D 1 17 C 1 18 C 1 19 C 1 20 C 1 21 B 1 22 B 1 23 B 1 24 B 1 25 D 1 26 D 1 27 D 1 28 A 1

0439/11 Cambridge IGCSE – Mark Scheme PUBLISHED October/November 2018 © UCLES 2018 Page 3 of 3 Question Answer Marks 29 A 1 30 A 1 31 A 1 32 C 1 33 B 1 34 A 1 35 C 1 36 C 1 37 A 1 38 A 1 39 A 1 40 D 1